11be35a165
To do so, a few dependencies have been imported: * external/bsd/lutok * external/mit/lua * external/public-domain/sqlite * external/public-domain/xz The Kyua framework is the new generation of ATF (Automated Test Framework), it is composed of: * external/bsd/atf * external/bsd/kyua-atf-compat * external/bsd/kyua-cli * external/bsd/kyua-tester * tests Kyua/ATF being written in C++, it depends on libstdc++ which is provided by GCC. As this is not part of the sources, Kyua is only compiled when the native GCC utils are installed. To install Kyua do the following: * In a cross-build enviromnent, add the following to the build.sh commandline: -V MKBINUTILS=yes -V MKGCCCMDS=yes WARNING: At this point the import is still experimental, and not supported on native builds (a.k.a make build). Change-Id: I26aee23c5bbd2d64adcb7c1beb98fe0d479d7ada
101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/* $NetBSD: tsleep.c,v 1.3 2012/01/28 12:23:56 rmind Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if !defined(lint)
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__RCSID("$NetBSD: tsleep.c,v 1.3 2012/01/28 12:23:56 rmind Exp $");
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#endif /* !lint */
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/kthread.h>
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#include <sys/proc.h>
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#include <sys/simplelock.h>
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#include "kernspace.h"
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#define NTHREADS 10
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/*
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* mpsafe thread. need dedicated interlock
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*/
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static kmutex_t mymtx;
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static void
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tinythread(void *arg)
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{
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static int wakeups;
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int i, rv;
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bool relock = ((uintptr_t)arg % 2) == 0;
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for (i = 0; i < 1000; i++) {
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mutex_enter(&mymtx);
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wakeup(tinythread);
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if (wakeups >= NTHREADS-1) {
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mutex_exit(&mymtx);
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break;
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}
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rv = mtsleep(tinythread, relock ? 0 : PNORELOCK,
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"haa", 0, &mymtx);
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if (relock)
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mutex_exit(&mymtx);
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if (rv != 0)
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panic("mtsleep failed");
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}
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mutex_enter(&mymtx);
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wakeups++;
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wakeup(tinythread);
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rv = mtsleep(rumptest_tsleep, PNORELOCK, "kepuli", 1, &mymtx);
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if (rv != EWOULDBLOCK)
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panic("mtsleep unexpected return value %d", rv);
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kthread_exit(0);
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}
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void
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rumptest_tsleep()
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{
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struct lwp *notbigl[NTHREADS];
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int rv, i;
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mutex_init(&mymtx, MUTEX_DEFAULT, IPL_NONE);
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for (i = 0; i < NTHREADS; i++) {
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rv = kthread_create(PRI_NONE, KTHREAD_MUSTJOIN| KTHREAD_MPSAFE,
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NULL, tinythread, (void *)(uintptr_t)i, ¬bigl[i], "nb");
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if (rv)
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panic("thread create failed: %d", rv);
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}
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for (i = 0; i < NTHREADS; i++) {
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kthread_join(notbigl[i]);
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}
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}
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